| Hans J. Koch | 8a41fa3 | 2010-09-17 18:18:57 +0200 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-tcc8k/io.c |
| 3 | * |
| 4 | * (C) 2009 Hans J. Koch <hjk@linutronix.de> |
| 5 | * |
| 6 | * derived from TCC83xx io.c |
| 7 | * Copyright (C) Telechips, Inc. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
| 12 | */ |
| 13 | |
| 14 | #include <linux/init.h> |
| 15 | #include <linux/io.h> |
| 16 | #include <linux/kernel.h> |
| 17 | |
| 18 | #include <asm/mach/map.h> |
| 19 | |
| 20 | #include <mach/tcc8k-regs.h> |
| 21 | |
| 22 | /* |
| 23 | * The machine specific code may provide the extra mapping besides the |
| 24 | * default mapping provided here. |
| 25 | */ |
| 26 | static struct map_desc tcc8k_io_desc[] __initdata = { |
| 27 | { |
| 28 | .virtual = (unsigned long)CS1_BASE_VIRT, |
| 29 | .pfn = __phys_to_pfn(CS1_BASE), |
| 30 | .length = CS1_SIZE, |
| 31 | .type = MT_DEVICE, |
| 32 | }, { |
| 33 | .virtual = (unsigned long)AHB_PERI_BASE_VIRT, |
| 34 | .pfn = __phys_to_pfn(AHB_PERI_BASE), |
| 35 | .length = AHB_PERI_SIZE, |
| 36 | .type = MT_DEVICE, |
| 37 | }, { |
| 38 | .virtual = (unsigned long)APB0_PERI_BASE_VIRT, |
| 39 | .pfn = __phys_to_pfn(APB0_PERI_BASE), |
| 40 | .length = APB0_PERI_SIZE, |
| 41 | .type = MT_DEVICE, |
| 42 | }, { |
| 43 | .virtual = (unsigned long)APB1_PERI_BASE_VIRT, |
| 44 | .pfn = __phys_to_pfn(APB1_PERI_BASE), |
| 45 | .length = APB1_PERI_SIZE, |
| 46 | .type = MT_DEVICE, |
| 47 | }, { |
| 48 | .virtual = (unsigned long)EXT_MEM_CTRL_BASE_VIRT, |
| 49 | .pfn = __phys_to_pfn(EXT_MEM_CTRL_BASE), |
| 50 | .length = EXT_MEM_CTRL_SIZE, |
| 51 | .type = MT_DEVICE, |
| 52 | }, |
| 53 | }; |
| 54 | |
| 55 | /* |
| 56 | * Maps common IO regions for tcc8k. |
| 57 | * |
| 58 | */ |
| 59 | void __init tcc8k_map_common_io(void) |
| 60 | { |
| 61 | iotable_init(tcc8k_io_desc, ARRAY_SIZE(tcc8k_io_desc)); |
| 62 | } |